Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire, and that the broken line illustrates the location of a sidewall and bead, but forms no part of the claimed design;

FIG. 2 is an enlarged fragmentary plan view of the tire tread illustrated in FIG. 1; and,

FIG. 3 is a side view showing the shoulder of the tire tread. 

The ornamental design for a tire tread, as shown and described. 